TriangleFilter Struct Reference

#include <Resample.h>

Inheritance diagram for TriangleFilter:

Public Types
typedef boost::shared_ptr< const TriangleFilter >	CPtr
typedef boost::shared_ptr< TriangleFilter >	Ptr
Public Types inherited from Filter
typedef boost::shared_ptr< const Filter >	CPtr
typedef boost::shared_ptr< Filter >	Ptr

Public Member Functions
virtual float	eval (const float x) const
	Evaluates the filter at coordinate 't'. More...
virtual float	support () const
	Radial width of the filter (half of diameter) More...
	TriangleFilter ()
	TriangleFilter (const float width)

Private Attributes
const float	m_width

Detailed Description

Definition at line 141 of file Resample.h.

Member Typedef Documentation

typedef boost::shared_ptr<TriangleFilter> TriangleFilter::Ptr

Definition at line 144 of file Resample.h.

typedef boost::shared_ptr<const TriangleFilter> TriangleFilter::CPtr

Definition at line 145 of file Resample.h.

Constructor & Destructor Documentation

TriangleFilter::TriangleFilter ( )

inline

Definition at line 147 of file Resample.h.

    : m_width(1.0)
  { }

TriangleFilter::TriangleFilter ( const float  width )

inline

Definition at line 150 of file Resample.h.

    : m_width(width)
  { }

Member Function Documentation

virtual float TriangleFilter::eval ( const float  t ) const

inlinevirtual

Evaluates the filter at coordinate 't'.

Implements Filter.

Definition at line 154 of file Resample.h.

  {
    const float t = x / m_width;
    if (t > 1.0) {
      return 0.0f;
    }
    return 1.0f - t;
  }

virtual float TriangleFilter::support ( ) const

inlinevirtual

Radial width of the filter (half of diameter)

Implements Filter.

Definition at line 162 of file Resample.h.

  {
    return 1.0f * m_width;
  }

Member Data Documentation

const float TriangleFilter::m_width

private

Definition at line 167 of file Resample.h.

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The documentation for this struct was generated from the following file:

• export/Resample.h